BMW 1 Series E88 Door Window Lifter Motor Electric Rear Left N/S 6978847

BMW 1 Series E88 Door Window Lifter Motor Electric Rear Left N/S is an original component from the Doors and door panels group, designed for operating the rear left window in the convertible body style. It ensures stable operation of the window lifting and lowering mechanism, which translates into user convenience and proper sealing of the side body area. This is a solution for users who expect a proven design and correct compatibility with the factory BMW electrical system.

Specifications and technical data

• SKU: 7291451
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6978847
• Substitutable numbers: 67627291451, 7291451, 67626978847, 6978847
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and vehicle placement

The presented window lifter motor is designed to operate in the rear left window area, within the door or side body panel zone. Placement on the rear – left side of the vehicle allows for precise fitting to the factory guide mechanism and mounts in the BMW E88 series. As a result, the component works with the original window control system, maintaining the correct window movement geometry and appropriate mechanical loads.

Construction and technical characteristics

The window lifter motor belongs to the group of drive components mounted in the Doors and door panels section, where operational stability and resistance to varying operating conditions are key. The design is based on an electric drive working with the lifting mechanism gearbox, which enables smooth control of the window position from the factory switches in the cabin.

This type of solution is designed for:

• maintaining the appropriate window movement speed,
• maintaining a repeatable end position,
• proper cooperation with the comfort closing system, if present in the vehicle.

Application in the door and body system

The motor operates in the immediate vicinity of the door skin or side panel, which is why its design is prepared for installation in a limited workspace. Proper fitment to factory mounting points facilitates service and reduces the time required for replacement. This element has a significant impact on:

• the comfort of operating the window in the rear left part of the vehicle,
• cabin tightness in the side area,
• proper window closing against the door seals.

By maintaining the original mounting geometry, the motor works with the existing electrical harness and body controllers, which promotes seamless integration with the rest of the system.

Condition, origin, and benefits of use

The offered item is used, which means it comes from vehicle dismantling and has been verified for suitability for further use. For the user, this means the possibility of restoring full functionality to the rear left window while maintaining a favorable cost-to-quality ratio. Choosing an original solution of this type allows you to maintain the structural integrity of the door system and reduce the risk of fitment issues.

Expanding your BMW door zone upgrade

If you are planning a comprehensive repair or upgrade of the door zone in your BMW and need other components from the same group, such as skins, reinforcements, or additional mounting elements, check out the available parts in the BMW Doors and door panels category.

To better understand the impact of body components and accessories on acoustic comfort and the overall vehicle refinement, it is worth reading the guide on exhaust systems and used components – you will find practical tips in the article Performance exhaust system: used manifolds and sports catalytic converters on the road.